Is there a guide for changing SAGE FAS 50 2009.1 to a new computer? Currently i tried installing it to the new computer and then backing it up on the old computer and then restoring it to the new one. The problem is that it goes through restoring it, but then when i go to open company, it doesn't...

I have a customer with old FAS. I think v2001 and then MAS90 v4.10. I've upgraded them to MAS90 v4.30 and the FAS to v2008,. Now I can't access the FAS company. What should I do? Sorry, I'm not familiar with FAS.